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Annotation of sys/compat/common/kern_resource_43.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: kern_resource_43.c,v 1.5 2003/06/02 23:27:59 millert Exp $    */
        !             2: /*     $NetBSD: kern_resource_43.c,v 1.4 1996/03/14 19:31:46 christos Exp $    */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1982, 1986, 1991, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  * (c) UNIX System Laboratories, Inc.
        !             8:  * All or some portions of this file are derived from material licensed
        !             9:  * to the University of California by American Telephone and Telegraph
        !            10:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
        !            11:  * the permission of UNIX System Laboratories, Inc.
        !            12:  *
        !            13:  * Redistribution and use in source and binary forms, with or without
        !            14:  * modification, are permitted provided that the following conditions
        !            15:  * are met:
        !            16:  * 1. Redistributions of source code must retain the above copyright
        !            17:  *    notice, this list of conditions and the following disclaimer.
        !            18:  * 2. Redistributions in binary form must reproduce the above copyright
        !            19:  *    notice, this list of conditions and the following disclaimer in the
        !            20:  *    documentation and/or other materials provided with the distribution.
        !            21:  * 3. Neither the name of the University nor the names of its contributors
        !            22:  *    may be used to endorse or promote products derived from this software
        !            23:  *    without specific prior written permission.
        !            24:  *
        !            25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            35:  * SUCH DAMAGE.
        !            36:  *
        !            37:  *     @(#)kern_resource.c     8.5 (Berkeley) 1/21/94
        !            38:  */
        !            39:
        !            40: #include <sys/param.h>
        !            41: #include <sys/systm.h>
        !            42: #include <sys/kernel.h>
        !            43: #include <sys/file.h>
        !            44: #include <sys/resourcevar.h>
        !            45: #include <sys/malloc.h>
        !            46: #include <sys/proc.h>
        !            47:
        !            48: #include <sys/mount.h>
        !            49: #include <sys/syscallargs.h>
        !            50:
        !            51: #include <uvm/uvm_extern.h>
        !            52:
        !            53: /* ARGSUSED */
        !            54: int
        !            55: compat_43_sys_getrlimit(p, v, retval)
        !            56:        struct proc *p;
        !            57:        void *v;
        !            58:        register_t *retval;
        !            59: {
        !            60:        register struct compat_43_sys_getrlimit_args /* {
        !            61:                syscallarg(int) which;
        !            62:                syscallarg(struct ogetrlimit *) rlp;
        !            63:        } */ *uap = v;
        !            64:        struct orlimit olim;
        !            65:
        !            66:        if (SCARG(uap, which) < 0 || SCARG(uap, which) >= RLIM_NLIMITS)
        !            67:                return (EINVAL);
        !            68:        olim.rlim_cur = p->p_rlimit[SCARG(uap, which)].rlim_cur;
        !            69:        if (olim.rlim_cur == -1)
        !            70:                olim.rlim_cur = 0x7fffffff;
        !            71:        olim.rlim_max = p->p_rlimit[SCARG(uap, which)].rlim_max;
        !            72:        if (olim.rlim_max == -1)
        !            73:                olim.rlim_max = 0x7fffffff;
        !            74:        return (copyout((caddr_t)&olim, (caddr_t)SCARG(uap, rlp),
        !            75:            sizeof(olim)));
        !            76: }
        !            77:
        !            78: /* ARGSUSED */
        !            79: int
        !            80: compat_43_sys_setrlimit(p, v, retval)
        !            81:        struct proc *p;
        !            82:        void *v;
        !            83:        register_t *retval;
        !            84: {
        !            85:        struct compat_43_sys_setrlimit_args /* {
        !            86:                syscallarg(int) which;
        !            87:                syscallarg(struct ogetrlimit *) rlp;
        !            88:        } */ *uap = v;
        !            89:        struct orlimit olim;
        !            90:        struct rlimit lim;
        !            91:        int error;
        !            92:
        !            93:        error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim,
        !            94:            sizeof (struct orlimit));
        !            95:        if (error)
        !            96:                return (error);
        !            97:        lim.rlim_cur = olim.rlim_cur;
        !            98:        lim.rlim_max = olim.rlim_max;
        !            99:        return (dosetrlimit(p, SCARG(uap, which), &lim));
        !           100: }